129867264 has 60 divisors (see below), whose sum is σ = 374819016. Its totient is φ = 43287552.

The previous prime is 129867259. The next prime is 129867271. The reversal of 129867264 is 462768921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9484 + ... + 18699.

Almost surely, 2^129867264 is an apocalyptic number.

It is an amenable number.

129867264 is an abundant number, since it is smaller than the sum of its proper divisors (244951752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129867264 is an equidigital number, since it uses as much as digits as its factorization.

129867264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28207 (or 28188 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 129867264 is about 11395.9319057285. The cubic root of 129867264 is about 506.4072294439.

The spelling of 129867264 in words is "one hundred twenty-nine million, eight hundred sixty-seven thousand, two hundred sixty-four".